raytrace

package
v0.0.0-...-a1fb13a Latest Latest
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 Go to latest Published: Apr 22, 2021 License: MIT Imports: 14 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func GetRandomCosineDirection 

func GetRandomCosineDirection() mgl64.Vec3

func PerlinNoise 

func PerlinNoise(p mgl64.Vec3, interpolate bool) float64

func PerlinVectorNoise 

func PerlinVectorNoise(p mgl64.Vec3) float64

func PerlinVectorTurbulence 

func PerlinVectorTurbulence(p mgl64.Vec3) float64

func PerlinVectorTurbulenceCustomDepth 

func PerlinVectorTurbulenceCustomDepth(p mgl64.Vec3, depth int) float64

func RandomToSphere 

func RandomToSphere(radius float64, distanceSquared float64) mgl64.Vec3

Types

type AABB 

type AABB struct {
	// contains filtered or unexported fields
}

func NewAABB 

func NewAABB(min mgl64.Vec3, max mgl64.Vec3) *AABB

func (*AABB) GetSurroundingBox 

func (aabb *AABB) GetSurroundingBox(other *AABB) *AABB

func (*AABB) Hit 

func (aabb *AABB) Hit(ray *Ray, tMin float64, tMax float64) bool

func (*AABB) Max 

func (aabb *AABB) Max() mgl64.Vec3

func (*AABB) Min 

func (aabb *AABB) Min() mgl64.Vec3

type BackgroundFunc 

type BackgroundFunc func(ray *Ray) ColorVector

type Camera 

type Camera interface {
	GetRay(s float64, t float64) *Ray
}

Camera todo

type ColorVector 

type ColorVector struct {
	// contains filtered or unexported fields
}

func NewColorVector 

func NewColorVector(r float64, g float64, b float64) ColorVector

func NewColorVectorFromRGBA 

func NewColorVectorFromRGBA(r uint32, g uint32, b uint32, a uint32) ColorVector

func (ColorVector) Add 

func (c ColorVector) Add(other ColorVector) ColorVector

func (ColorVector) ApplyGamma2 

func (c ColorVector) ApplyGamma2() ColorVector

func (ColorVector) B 

func (c ColorVector) B() float64

func (ColorVector) Clamp 

func (c ColorVector) Clamp() ColorVector

func (ColorVector) DivScalar 

func (c ColorVector) DivScalar(other float64) ColorVector

func (ColorVector) G 

func (c ColorVector) G() float64

func (ColorVector) Mul 

func (c ColorVector) Mul(other ColorVector) ColorVector

func (ColorVector) MulScalar 

func (c ColorVector) MulScalar(other float64) ColorVector

func (ColorVector) R 

func (c ColorVector) R() float64

func (ColorVector) RGBA 

func (c ColorVector) RGBA() (r, g, b, a uint32)

type CosinePdf 

type CosinePdf struct {
	// contains filtered or unexported fields
}

func (*CosinePdf) Generate 

func (p *CosinePdf) Generate() mgl64.Vec3

func (*CosinePdf) GetValue 

func (p *CosinePdf) GetValue(direction mgl64.Vec3) float64

type HitRecord 

type HitRecord struct {
	// contains filtered or unexported fields
}

func NewHitRecord 

func NewHitRecord(t float64, p mgl64.Vec3, normal mgl64.Vec3, uvCoords mgl64.Vec2, material Material) *HitRecord

func (*HitRecord) Material 

func (hr *HitRecord) Material() Material

func (*HitRecord) Normal 

func (hr *HitRecord) Normal() mgl64.Vec3

func (*HitRecord) P 

func (hr *HitRecord) P() mgl64.Vec3

func (*HitRecord) T 

func (hr *HitRecord) T() float64

func (*HitRecord) UvCoords 

func (hr *HitRecord) UvCoords() mgl64.Vec2

type Hitable 

type Hitable interface {
	Hit(ray *Ray, tMin float64, tMax float64) *HitRecord
	GetBoundingBox(t0 float64, t1 float64) *AABB

	GetPdfValue(origin mgl64.Vec3, v mgl64.Vec3) float64
	Random(origin mgl64.Vec3) mgl64.Vec3
}

Hitable go

type HitablePdf 

type HitablePdf struct {
	// contains filtered or unexported fields
}

func (*HitablePdf) Generate 

func (p *HitablePdf) Generate() mgl64.Vec3

func (*HitablePdf) GetValue 

func (p *HitablePdf) GetValue(direction mgl64.Vec3) float64

type Material 

type Material interface {
	Scatter(rayIn *Ray, hitRecord *HitRecord) *ScatterResult
	ScatteringPdf(rayIn *Ray, hitRecord *HitRecord, scattered *Ray) float64
	Emitted(rayIn *Ray, hitRecord *HitRecord, uvCoords mgl64.Vec2, p mgl64.Vec3) ColorVector
}

type MixturePdf 

type MixturePdf struct {
	// contains filtered or unexported fields
}

func (*MixturePdf) Generate 

func (p *MixturePdf) Generate() mgl64.Vec3

func (*MixturePdf) GetValue 

func (p *MixturePdf) GetValue(direction mgl64.Vec3) float64

type MonteCarloTracer 

type MonteCarloTracer struct {
	// contains filtered or unexported fields
}

func (*MonteCarloTracer) Configure 

func (t *MonteCarloTracer) Configure(
	imageWidth int,
	imageHeight int,
	camera Camera,
	world Hitable,
	lightHitable Hitable,
	renderConfig *RenderConfig,
	backgroundFunc BackgroundFunc)

func (*MonteCarloTracer) GetPixelColor 

func (t *MonteCarloTracer) GetPixelColor(x int, y int) ColorVector

type OrthoNormalBase 

type OrthoNormalBase struct {
	// contains filtered or unexported fields
}

func OrthoNormalBaseFromW 

func OrthoNormalBaseFromW(n mgl64.Vec3) *OrthoNormalBase

func (*OrthoNormalBase) Local 

func (onb *OrthoNormalBase) Local(a mgl64.Vec3) mgl64.Vec3

func (*OrthoNormalBase) W 

func (onb *OrthoNormalBase) W() mgl64.Vec3

type Pdf 

type Pdf interface {
	GetValue(direction mgl64.Vec3) float64
	Generate() mgl64.Vec3
}

func NewCosinePdf 

func NewCosinePdf(w mgl64.Vec3) Pdf

func NewHitablePdf 

func NewHitablePdf(hitable Hitable, origin mgl64.Vec3) Pdf

func NewMixturePdf 

func NewMixturePdf(p0 Pdf, p1 Pdf) Pdf

type PixelBuffer 

type PixelBuffer struct {
	// contains filtered or unexported fields
}

func LoadPixelBuffer 

func LoadPixelBuffer(imagePath string) *PixelBuffer

func NewPixelBuffer 

func NewPixelBuffer(width int, height int) *PixelBuffer

func (*PixelBuffer) GetImage 

func (buf *PixelBuffer) GetImage() *image.RGBA

func (*PixelBuffer) GetPixelColor 

func (buf *PixelBuffer) GetPixelColor(x int, y int) ColorVector

func (*PixelBuffer) Height 

func (buf *PixelBuffer) Height() int

func (*PixelBuffer) SavePng 

func (buf *PixelBuffer) SavePng(path string)

func (*PixelBuffer) SetPixelColor 

func (buf *PixelBuffer) SetPixelColor(x int, y int, clr ColorVector)

func (*PixelBuffer) Width 

func (buf *PixelBuffer) Width() int

type Ray 

type Ray struct {
	// contains filtered or unexported fields
}

Ray todo

func NewRay 

func NewRay(origin mgl64.Vec3, direction mgl64.Vec3) *Ray

NewRay todo

func (*Ray) Direction 

func (r *Ray) Direction() mgl64.Vec3

Direction todo

func (*Ray) GetPointAtParameter 

func (r *Ray) GetPointAtParameter(t float64) mgl64.Vec3

GetPointAtParameter todo

func (*Ray) Origin 

func (r *Ray) Origin() mgl64.Vec3

Origin todo

type RayTracer 

type RayTracer interface {
	Configure(
		imageWidth int,
		imageHeight int,
		camera Camera,
		world Hitable,
		lightHitable Hitable,
		renderConfig *RenderConfig,
		backgroundFunc BackgroundFunc)
	GetPixelColor(x int, y int) ColorVector
}

func NewMonteCarloTracer 

func NewMonteCarloTracer() RayTracer

func NewSimpleTracer 

func NewSimpleTracer() RayTracer

type RenderConfig 

type RenderConfig struct {
	// contains filtered or unexported fields
}

func NewRenderConfig 

func NewRenderConfig(maxDepth int, samplesPerPixel int, isTwoPhase bool) *RenderConfig

func (*RenderConfig) IsTwoPhase 

func (c *RenderConfig) IsTwoPhase() bool

type Renderer 

type Renderer struct {
	// contains filtered or unexported fields
}

func NewRenderer 

func NewRenderer(config *RenderConfig) *Renderer

func (*Renderer) Render 

func (r *Renderer) Render(rayTracer RayTracer, pixelBuffer *PixelBuffer, scene Scene, renderConfig *RenderConfig)

type ScatterResult 

type ScatterResult struct {
	// contains filtered or unexported fields
}

func NewFalseScatterResult 

func NewFalseScatterResult() *ScatterResult

func NewScatterResult 

func NewScatterResult(isScattered bool, attenuation ColorVector, specularRay *Ray, pdf Pdf) *ScatterResult

func (*ScatterResult) Attenuation 

func (r *ScatterResult) Attenuation() ColorVector

func (*ScatterResult) IsScattered 

func (r *ScatterResult) IsScattered() bool

func (*ScatterResult) IsSpecular 

func (r *ScatterResult) IsSpecular() bool

func (*ScatterResult) Pdf 

func (r *ScatterResult) Pdf() Pdf

func (*ScatterResult) SpecularRay 

func (r *ScatterResult) SpecularRay() *Ray

type Scene 

type Scene interface {
	GetCamera(width int, height int) Camera
	GetWorld() Hitable
	GetLightHitable() Hitable
	GetBackgroundFunc() BackgroundFunc
}

func NewScene 

func NewScene(camera Camera, world Hitable, lighthitable Hitable, backgroundFunc BackgroundFunc) Scene

type Texture 

type Texture interface {
	GetValue(uvCoords mgl64.Vec2, p mgl64.Vec3) ColorVector
}

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